Accurate to -34° F. in warm or cold engines. Number of floating balls shows level of protection. Economical tester is ideal for do-it-yourself motorists. Easy to use and read. Shipping Weight 0.05 lb.

16-inch ball-tip driver bar and two reversible adapters. Adapters fit freeze plugs from 1-1/4 inch to 2-inch in diameter.

For use with THEXTON Part No. 467A
Cleaning Wand 12-inch extension to increase reach to 36-inches.